'use strict';
var number_map_to_word_over_26 = function(collection){
  let result=new Array();
  for(let i of collection){
    let a=parseInt(i/26);
    let b=i%26;
    if(b==0){
      if(a==1){
        result.push(z);
      }
      else{
        result.push(String.fromCharCode(96+a-1)+'z');
      }
    }
    else{
      if(a==0){
        result.push(String.fromCharCode(96+b));
      }
      else{
        result.push(String.fromCharCode(96+a,96+b));
      }
    }
  }
  return result;
};

module.exports = number_map_to_word_over_26;
